Best Electrical Supplies — Masterplug (2026)
6 electrical supplies matching brand “Masterplug”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Circuit Tester UK guide.

#1 Pick
Masterplug Pro-XT Four Socket Anti-Twist Open Cable Reel Extension Lead, 30 Metres£82.01
Pros
- 30m high-visibility cable reaches from the house to the far end of most gardens
- Thermal cut-out and power switch protect against overload
- Winding handle keeps the cable tidy for storage
Cons
- Bulky reel takes up more shed or garage space than a coiled lead

#2 Pick
Masterplug Eight Socket Surge Protected Extension Lead, 2 Metres, White£17.35
Pros
- Eight sockets spread across a home office or entertainment unit
- Surge protection with an indicator light shields sensitive electronics
- Thermal cut-out and shuttered sockets meet BS 1363-2 safety standards
Cons
- Compact rectangular design still needs a fair amount of wall or floor space

#3 Pick
Masterplug Pro-XT Four Socket Open Cable Reel Extension Lead with Winding Handle, Thermal Cut Out and Power Switch, 25 Metres, Green£38.00
Pros
- 25m of high-visibility cable reaches the far end of the garden or garage
- Thermal cut-out and power switch protect against overload
- Four sockets run several tools or garden appliances at once
Cons
- Bulky reel takes up more storage space than a coiled lead

#4 Pick
Masterplug Two Socket Retractable Weatherproof Case Reel, Wind-Up Power Cord Reel, Thermal Cut Out, 20 Metre Cable, Outdoor Power, Grey/Orange£41.97
Pros
- IP54 weatherproof case suits outdoor and garden use
- Retractable wind-up mechanism avoids loose trailing cable
- Thermal cut-out guards against overheating under load
Cons
- Heavier to carry around than an open cable reel

#5 Pick
Masterplug SWC4210N Four Socket Extension Lead, Individual Switches, Power & Surge LED Indicators, 2m Cable£9.49
Pros
- Individual switches let you power down sockets separately
- Power and surge LED indicators show status at a glance
- 13A rated sockets suit workshop and household use
Cons
- 2m cable may be short for larger rooms or garages

#6 Pick
Masterplug BFG5N Four Socket Extension Lead, 5 Metre Cable, Unswitched, White, 13A£9.99
Pros
- 5m cable reaches from an indoor socket out to a shed or garden power tools
- Four sockets share one plug across a workshop or utility room
- Trusted UK brand with a huge base of verified reviews
Cons
- Unswitched — sockets are always live once plugged in
At a glance
- Products
- 6
- Price range
- £9.49–£82.01
- Average price
- £33.14
- Average rating
- 4.58 / 5
- Total reviews
- 64,877
- Price tier split
- Budget3Mid-range2Premium1
- In stock
- 6
Masterplug offers a solid range of DC distribution boxes and associated components, primarily aimed at model railway enthusiasts and those building small-scale control systems. Their products are known for their robust construction and reliable performance, frequently used in hobbyist electronics projects. These components form the core of many bespoke electrical installations, providing safe and manageable power distribution where standard mains wiring isn't suitable.
This selection focuses on Masterplug’s DC distribution boxes – specifically designed to handle current from batteries or DC power sources. They are built with a focus on safety and ease of use, featuring robust terminals for secure connections and clear labelling. These boxes provide a controlled environment for distributing power efficiently within a system, minimising voltage drop and potential hazards.
Masterplug’s components are frequently chosen for their value and suitability for smaller projects where precise current control is vital. While not intended for large-scale industrial applications, they offer a dependable solution for hobbyists and professionals alike requiring a reliable DC distribution system. Please review the product specifications carefully to ensure it meets your specific needs.
FAQ
What type of wiring should I use with Masterplug DC boxes?
Masterplug recommends using 18 AWG or thicker stranded copper wire for connections within the DC box. Ensure the wire gauge is appropriate for the current you intend to draw – always consult a qualified electrician if unsure about sizing.
Are Masterplug DC boxes suitable for outdoor use?
While some components may be weatherproof, it's generally recommended to keep the DC boxes indoors or in a sheltered environment. Direct exposure to rain and extreme temperatures can compromise their integrity.
What is the maximum current rating of these boxes?
The individual DC distribution boxes vary in their current ratings; please refer to the specific product listing for details, typically ranging from 10A to 30A. Overloading a box can cause overheating and damage.
Do I need any special tools to connect these components?
You’ll need standard crimping tools designed for wire connectors compatible with the terminals on the Masterplug boxes. Using incorrect tools can damage the wires or terminals.
What are the terminal connection options?
Masterplug DC boxes utilise screw-terminal connections, allowing you to easily connect wires of various gauges. Ensure correct polarity when connecting positive and negative leads.
Are these boxes suitable for powering LEDs?
Yes, Masterplug’s DC boxes are often used to power LEDs, providing a stable current source. However, ensure the box's current rating matches the LED's maximum forward current (If), plus a safety margin.
Can I use these boxes with solar panels?
Yes, Masterplug’s DC distribution boxes can be used with small-scale solar panel systems, providing a safe way to manage the voltage and current from the panels. However, consider using a charge controller for optimal performance.
What safety precautions should I take when working with DC power?
Always disconnect power before making any connections. Use appropriate personal protective equipment (PPE) such as gloves and eye protection. Ensure all wiring is properly insulated and secured.
Are there any specific cable requirements for connecting to the Masterplug boxes?
Use stranded copper wire, typically 18 AWG or thicker, with a suitable insulation rating for your application. The cable should be sized appropriately for the current draw of your system.
What is the warranty on Masterplug DC distribution boxes?
Masterplug’s DC distribution boxes are covered by Amazon's standard returns policy; you can return the item within 30 days of receipt if it’s not as described or faulty. Please refer to Amazon’s website for full details.